CN220510417U - Explosion-proof quick-operation joint of cable of public mother does not distinguish - Google Patents

Abstract

The utility model relates to an explosion-proof quick connector for a cable, which does not distinguish a male connector from a female connector, and belongs to the technical field of cable connectors. The explosion-proof quick connector of this cable includes: the anti-explosion device comprises an inner core, an anti-explosion shell cover, a shell connecting sealing ring, a sealing corrugated flexible rubber sleeve, a fastening nut, an inner fixing screw and an outer fixing screw and a wiring fastening screw. Compared with the traditional electric adhesive tape winding wiring mode, the quick connector has the advantages of simplicity in installation, explosion prevention, water resistance, tension, reliability in connection, rapidness in connection and disconnection operation and the like, and is suitable for connection of temporary electric cables in dangerous places with explosive dust and gas and connection of electric cables used in general fields. Compared with a common quick connector, the quick connector does not distinguish male and female, and any two identical quick connectors can be connected with each other, so that the quick connector has universality.

Description

Explosion-proof quick-operation joint of cable of public mother does not distinguish

Technical Field

The utility model relates to a cable quick connector, in particular to a cable quick connector which does not distinguish male from female and has explosion-proof performance, and belongs to the technical field of cable connectors.

Background

In the arrangement process of the temporary power utilization cable, the cable is required to be lapped and prolonged usually because of longer wiring distance, the current wiring mode of the cable is to peel off a cable protection layer with a certain length at a joint to expose a wire core, then the wire core is mutually wound and twisted and then is wound and wrapped by an electric adhesive tape, the connection mode is affected by the field operation environment, the joint is easy to loosen, leak electricity, dip and short-circuit, dangerous accidents such as electric shock are easy to cause, and electric spark is easy to generate by adopting the connection mode in some dangerous places with explosive gas or dust, so that the explosion accidents are caused. After the electricity is used, the cable joint is normally cut off directly for separation and disassembly, and the connection mode simultaneously causes the loss of the cable. Meanwhile, the connection mode cannot achieve quick connection and quick disconnection.

In addition, the dangerous place is usually provided with an explosion-proof switch, so that in order to save trouble, a temporary electric wiring person breaks the explosion-proof switch in a illegal manner, the explosion-proof switch is used as a power supply access point of a temporary cable, and the temporary cable is connected to the explosion-proof switch to destroy plugging measures of inherent electric equipment in the dangerous place, so that the explosion-proof performance of the explosion-proof switch is reduced, and the danger is increased.

At present, the cable connectors existing in the market are respectively provided with a male connector and a female connector, and the male connector and the female connector can be connected in a matching way in the connecting process without universality.

Disclosure of Invention

The utility model provides a temporary power cable quick connector which does not distinguish between a male connector and a female connector and has explosion-proof performance, and aims to overcome the defects that the existing cable connection mode is unreliable in connection, does not have explosion-proof and waterproof performance, is time-consuming to operate, is low in cable loss, can damage electrical explosion-proof blocking and reduces explosion-proof performance when being connected with a cable, and is not general in distinguishing between the male connector and the female connector.

According to the utility model, by adopting the design of the L-shaped conducting device and the wiring L-shaped turnbuckle, when two cable explosion-proof quick connectors without distinguishing male and female are connected, the L-shaped conducting device and the wiring L-shaped turnbuckle of the side connector and the L-shaped conducting device and the wiring L-shaped turnbuckle of the opposite side connector can be mutually inserted and embedded (the side connector and the opposite side connector refer to the relative positions of the two connectors, and the side connector and the opposite side connector have the same structures, so that the cable explosion-proof quick connector without distinguishing male and female is completely the same), the connection of cables is realized, and the shell is provided with the connecting sealing ring, the sealing corrugated flexible rubber sleeve and the fastening nut, so that the explosion-proof and waterproof requirements of the quick connector are realized.

The technical scheme adopted for solving the technical problems is as follows:

the utility model provides a public bus of indistinguishable cable explosion-proof quick-operation joint, includes inner core, explosion-proof casing lid, casing connection sealing ring, sealed ripple flexible gum cover, fastening nut, inside and outside fixed screw, wiring fastening screw, the inner core includes division line groove, wiring socket, inner core fixed screw hole, the switch-on unit, wiring fastening screw hole, spacing clip strip, wiring L turn-buckle, L turn-buckle distinguishing sign, inner core mounted position sign, inner core protecting case, inner core L turn-buckle groove, inner core shaft are protruding, two the inner core is mutually matched, the division line groove set up in inner core one end, the division line groove with the wiring socket meets, wiring socket both ends respectively with division line groove with the switch-on unit meets, inner core fixed screw hole set up in the inner core outside, inner core fixed screw hole sets up the internal thread, the inner core is insulating material except the switch-on unit, the switch-on unit is the metal conductive material, the switch-on unit is "L" form, the switch-on unit includes conducting upper plate, conducting pin, conducting, jack, the position of conducting pin, the same pin 360 is located in the same plane as the side of the wiring socket is located in the same plane as the jack, the switch-on unit is located in the same plane as the jack, the switch-on unit, the same plane, the switch-on unit is set up in the same plane as the jack, the same plane as the switch-on structure, the same with the switch-on structure, the arc-on unit is set up to the side at the same place at the same position as the same place as the same with the wire on the side as the jack, and the jack is in the position, the utility model discloses a wire connection screw hole, wire connection jack with the protruding coaxial of inner mandrel, wire connection screw hole set up in the inner core protecting crust outside, wire connection screw hole is followed the radial direction of inner core is in deep reach switch on the arc structure position of piece, wire connection screw hole establishes the internal thread, spacing card strip is protruding strip structure, spacing card strip set up in the inner core protecting crust outside, wire connection L turnbuckle is circular arc structure, wire connection L turnbuckle with the protruding coaxial of inner mandrel, wire connection L turnbuckle top sets up set up L turnbuckle distinguishing sign, the inner core protecting crust set up in the inner core outside, inner core mounted position sign set up in inner core protecting crust top surface, inner core L turnbuckle groove with wire connection L turnbuckle assorted, the inner mandrel protruding with the inner core is coaxial, the inner mandrel protruding set up in the inner core center.

The explosion-proof shell comprises fastening threads, a shell fixing screw hole, a limit groove, a shell connecting buckle, a shell connecting groove, a shell sealing ring groove, an installation insertion alignment mark, an installation rotation positioning mark, a shell installation position mark, a fixing base and a fixing hole, wherein the two explosion-proof shells are matched with each other, the explosion-proof shell is matched with the inner core, the shell fixing screw penetrates through the explosion-proof shell, the shell fixing screw hole is provided with an internal thread, the shell fixing screw hole is the same in diameter as the inner core fixing screw hole, the limit groove is formed in the inner side of the explosion-proof shell, the limit groove is matched with the limit clamping strip, the shell connecting buckle and the shell connecting groove are arranged on the outer side of the explosion-proof shell interface end, the shell connecting buckle and the shell connecting groove are of an arc structure, the shell connecting buckle is coaxial with the explosion-proof shell, the shell connecting groove is matched with the shell connecting buckle, the shell sealing ring groove is formed in the inner side of the explosion-proof shell interface end, the shell connecting sealing groove is of a T-shaped structure, and the shell connecting buckle is arranged on the outer side of the explosion-proof shell interface end.

The explosion-proof shell cover is matched with the cable explosion-proof quick connector without distinguishing male and female, the explosion-proof shell cover is of a cover-shaped structure and comprises the shell connecting buckle, the shell connecting groove and the shell sealing ring groove structure.

The shell connecting sealing ring is made of elastic and rebound resilience, and the shell connecting sealing ring is matched with the shell sealing ring groove.

The flexible rubber sleeve of the seal ripple is made of elastic and rebound resilience, and the inner side of the flexible rubber sleeve of the seal ripple is of a seal ripple structure.

The two ends of the inner side of the fastening nut are respectively provided with a boss and an internal thread, and the fastening nut is matched with the fastening screw.

The inner fixing screw and the outer fixing screw are matched with the inner core fixing screw hole and the shell fixing screw hole.

The wiring fastening screw is matched with the wiring fastening screw hole.

And the two cable explosion-proof quick connectors which are not distinguished in male and female are matched with each other.

The explosion-proof shell comprises a cable spool, a fixed base or a fixed hole for fixing the cable explosion-proof quick connector without distinguishing the male connector from the female connector.

The inner core fixing screw holes are matched with the shell fixing screw holes, and the number of the inner core fixing screw holes and the number of the shell fixing screw holes are one or more.

The limiting grooves and the limiting clamping strips are identical in number, and the number of the limiting clamping strips and the number of the limiting grooves are one or more.

The number of the conducting devices, the wiring fastening screw holes, the wiring L turnbuckles and the shell connecting buckles is the same, and the number of the conducting devices, the wiring fastening screw holes, the wiring L turnbuckles and the shell connecting buckles is two or more.

The two cable explosion-proof quick connectors without distinguishing male and female are aligned with the installation insertion alignment mark and rotated to the installation screwing position mark alignment position to be communicated with the cable, and the two cable explosion-proof quick connectors without distinguishing male and female are connected and then are in a shuttle shape.

The beneficial effects of the utility model are as follows:

the utility model adopts the L-shaped conductor and the wiring L-shaped turnbuckle, the conductors of the two cable explosion-proof quick connectors without distinguishing male and female are mutually inserted and jogged when being connected, the conducting pins of the side conductor are inserted into the conducting sockets of the opposite side conductor, and the conducting pins of the opposite side conductor are inserted into the conducting sockets of the side conductor to form reliable connection; the wiring fastening screw is screwed into the wiring fastening screw hole to push the upper conducting piece to be close to the lower conducting piece, so that the upper conducting piece and the lower conducting piece clamp the cable core, the cable core is ensured to be fully contacted with the conducting piece, and meanwhile, the effect of fixing the cable core is further enhanced, and the connection reliability is further enhanced.

The cable penetrates into the explosion-proof shell, a certain gap exists between the cable and the shell, a sealing corrugated flexible rubber sleeve is arranged at the position where the cable penetrates through the explosion-proof shell (namely between the fastening nut and the fastening thread of the explosion-proof shell), when the fastening nut is screwed into the fastening thread, a boss of the fastening nut and the end face of the fastening thread extrude the sealing corrugated flexible rubber sleeve to enable the sealing corrugated flexible rubber sleeve to elastically deform, and the sealing corrugated structure deformation in the sealing corrugated rubber sleeve tightly wraps the cable to realize sealing; when the two cable explosion-proof quick connectors without distinguishing male and female are connected, the shell connecting sealing ring at the side and the shell connecting sealing ring at the opposite side are mutually attached and extruded to form a seal. The joints and the cables and the joints of the utility model are sealed, so that the utility model effectively isolates combustible dust, combustible gas, water and electric spark, and has explosion-proof and waterproof performances.

The utility model has simple installation, the cable core is respectively inserted into the wiring jack along the inner core branching groove between the upper conducting piece and the lower conducting piece of the conducting device, the wire core is fixed by the wiring fastening screw hole screwed into the wiring fastening screw fixing wire core, the inner core is fixed into the explosion-proof shell through the limiting arrangement (the limiting groove, the limiting clamping strip and the internal and external fixing screws), and the installation of the explosion-proof quick connector of the cable without distinguishing the male and the female is completed by tightening the fastening nut. The connector can be repeatedly used for many times after installation is finished without disassembling the connector, when the connector is not connected, the explosion-proof shell cover is used for covering the connector, when the connector is connected, the explosion-proof shell cover is unscrewed and screwed with the opposite-side connector to finish the connection of the cable, and the disconnection is realized only by reverse rotation, so that the quick connection and disconnection are realized, and the operation is quick and time-saving. Meanwhile, connection and disconnection can be repeatedly performed for many times after installation is completed, so that cable loss caused by a traditional wiring mode is avoided.

The explosion-proof shell is provided with the fixing base and the fixing hole, the cable explosion-proof quick connector which does not distinguish the male and female is fixed by matching with the cable tube, and the explosion-proof shell cover is covered, so that the explosion-proof shell can be used as a fixed power supply access point of a temporary cable, and electricity is not required to be connected from the explosion-proof switch when the temporary power utilization is carried out, the explosion-proof blocking of the explosion-proof switch is prevented from being damaged, and the electrical explosion-proof performance of dangerous places is effectively ensured.

Compared with the common cable connector, the cable connector has the greatest characteristics that the male connector and the female connector are not distinguished, any two identical cable explosion-proof quick connectors without distinguishing the male connector and the female connector can be connected with each other, and the cable connector has universality.

Description of the drawings:

FIG. 1 is a schematic view of the explosion-proof housing and housing connection seal ring structure of the present utility model.

Fig. 2 is a schematic sectional view of the explosion-proof housing with the housing connecting seal ring installed.

Fig. 3 is a schematic view of the threading installation process of the present utility model.

FIG. 4 is a schematic cross-sectional view of the threading installation process of the present utility model.

Fig. 5 is a schematic diagram of the core wire of the present utility model.

Fig. 6 is a schematic diagram of the present utility model after the inner core is wired.

Fig. 7 is a rear perspective view of the core wire of the present utility model.

Fig. 8 is a schematic diagram of a conductive device according to the present utility model.

Fig. 9 is a schematic diagram of a two-sided conductive connection according to the present utility model.

Fig. 10 is a schematic view of the installation of the inner core and explosion-proof housing of the present utility model.

FIG. 11 is a schematic diagram of the overall structure of the present utility model.

Fig. 12 is a schematic view of the explosion-proof housing cover structure of the present utility model.

Fig. 13 is a schematic view of the unconnected state of the present utility model.

Fig. 14 is a schematic view of the connection state of the present utility model.

Fig. 15 is a perspective view showing a coupled state of the present utility model.

Fig. 16 is a sectional view showing a connection state of the present utility model.

Fig. 17 is a schematic diagram of a connection state of the present utility model as a fixed power access point.

In the figure: 0000-cable explosion-proof quick connector without distinguishing male and female, 1000-inner core, 1010-branch line groove, 1020-line socket, 1030-inner core fixing screw hole, 1040-conductor, 1041-conductor upper sheet, 1042-conductor lower sheet, 1043-conductor pin, 1044-conductor socket, 1050-line fastening screw hole, 1060-limit clip strip, 1070-line L turnbuckle, 1080-L turnbuckle distinguishing mark, 1090-inner core mounting position mark, 1100-inner core protecting shell, 1110-inner core L turnbuckle groove, 1120-inner core axial protrusion, 2100-explosion-proof shell, 2101-fastening screw thread, 2102-shell fixing screw hole, 2103-limit groove, 2104-shell connecting buckle, 2105-shell connecting groove, 2106-shell sealing ring groove, 2107-mounting insertion alignment mark, 2108-mounting screw position mark, 2109-shell mounting position mark, 2110-fixing base, 2111-fixing hole, 1070-explosion-proof shell cover, 3000-shell connecting sealing ring, 4000-sealing corrugated flexible glue sleeve, 4001-sealing ring, 2101-5000-fastening screw boss, 2200-2200, 2200-500-8000-wiring cable inside and outside line pipe, and inside line screw boss, and 2200-wiring line pipe fixing screw hole.

The specific embodiment is as follows:

for the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which the present utility model is implemented, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

[ example 1 ]

Aiming at the situation that the three-core cable which is most commonly used in the wiring process and the single-phase 220V alternating current are commonly used, two sections of three-core cables which use the single-phase 220V alternating current are connected to form the embodiment of the utility model.

For the three-core cable using single-phase 220V alternating current, the number of the conductor (1040), the wiring fastening screw hole (1050), the wiring L turnbuckle (1070) and the shell connecting buckle (2104) in the cable explosion-proof quick connector (0000) which is not distinguished in the embodiment is 3.

Referring to fig. 1 and 2, the explosion-proof housing (2100) includes fastening threads (2101), a housing fixing screw hole (2102), a limit groove (2103), a housing connecting buckle (2104), a housing connecting groove (2105), a housing sealing ring groove (2106), a mounting insertion alignment mark (2107), a mounting screwing in position mark (2108) and a housing mounting position mark (2109).

And (3) an installation step 1: a housing attachment seal ring (3000) is mounted into a housing seal ring groove (2106) in an explosion proof housing (2100). The cross sections of the shell sealing ring groove (2106) and the shell connecting sealing ring (3000) are T-shaped, and the T-shaped structure ensures that the shell connecting sealing ring (3000) is not easy to loose.

When the joints (0000) at two sides are connected, the shell connecting sealing rings (3000) at two sides are mutually adhered and extruded to form a seal, so that the anti-explosion waterproof plastic has anti-explosion and waterproof performances.

Referring to fig. 3 and 4, the seal corrugated flexible sleeve (4000) is made of elastic and resilient material, the inner side of the seal corrugated flexible sleeve is in a seal corrugated (4001) structure, and a boss (5001) and threads are arranged on the inner side of the fastening nut (5000). When the flexible sealing sleeve is installed, the sealing corrugated flexible sleeve (4000) is extruded through screwing the fastening nut (5000) and the fastening thread (2101), so that the flexible sealing sleeve is elastically deformed, and the inner sealing corrugated structure (4001) further tightly wraps the cable, so that sealing is realized.

And (2) installation step: the fastening nut (5000), the sealing corrugated flexible sleeve (4000) and the explosion-proof housing (2100) provided with the housing connecting sealing ring (3000) are sequentially penetrated into the cable (9000).

Referring to fig. 5-7, the inner core (1000) includes a parting groove (1010), a wire connection socket (1020), an inner core fixing screw hole (1030), a conductive device (1040), a wire connection fastening screw hole (1050), a limit clamping strip (1060), a wire connection L-turn buckle (1070), an L-turn buckle distinguishing mark (1080), an inner core installation position mark (1090), an inner core protecting shell (1100), an inner core L-turn buckle groove (1110) and an inner core shaft protrusion (1120), wherein the inner core (1000) is made of insulating materials except the conductive device (1040).

The wire dividing groove (1010) is arranged at one end of the inner core (1000) and is connected with the wire connecting socket (1020), and the other end of the wire connecting socket (1020) is connected with the conductor (1040).

The limiting clamping strip (1060) is of a protruding strip-shaped structure, the limiting clamping strip (1060) and the inner core fixing screw hole (1030) are arranged on the outer side of the inner core protecting shell (1100), and the inner core fixing screw hole (1030) is provided with an inner thread.

The conductor (1040) is made of metal conductive material, and the conductor (1040) is L-shaped. The conductive device (1040) comprises a conductive upper piece (1041), a conductive lower piece (1042), conductive pins (1043) and conductive jacks (1044). In this embodiment, 3 conductive devices are disposed, and 3 conductive devices (1040) are wrapped and fixed in the inner core (1000) and the connection L turnbuckle (1070) along the outer side of the inner core boss (1120) at an interval of 120 degrees, and the conductive pins (1043) and the conductive jacks (1044) are exposed from the side of the connection L turnbuckle (1070). One end of the upper conducting piece (1041) and one end of the lower conducting piece (1042) are of opposite arc structures, the opposite arc structures of the upper conducting piece (1041) and the lower conducting piece (1042) are communicated with the wiring socket (1020), the conducting pins (1043) are arranged at the bottom of the conducting device (1040), and the conducting jack (1044) is arranged at the middle of the conducting device (1040).

The wiring fastening screw hole (1050) is arranged on the outer side of the inner core protective shell (1100) and is deeply communicated to the arc-shaped structure position of the conducting upper piece (1041) along the radial direction of the inner core (1000), and the wiring fastening screw hole (1050) is provided with an internal thread.

The conducting jack (1044) is matched with the conducting pin (1043), the conducting jack (1044) and the conducting pin (1043) are of coaxial and equal-radius arc structures, and the conducting jack (1044) and the conducting pin (1043) are coaxial with the inner mandrel boss (1120).

The wiring L turnbuckle (1070) is of an arc structure, the wiring L turnbuckle (1070) is coaxial with the inner mandrel boss (1120), and an L turnbuckle distinguishing mark (1080) is arranged at the top end of the wiring L turnbuckle (1070). Because three wiring L turnbuckles (1070) structure are the same completely, to using single-phase 220V alternating current's three-wire core cable, three-wire core is ground wire, zero line, live wire respectively, when using this embodiment the explosion-proof quick-operation joint of cable (0000) of public mother of not distinguishing to connect, in order to ensure both sides ground wire interconnect, so set up and establish L turnbuckle and distinguish sign (1080) and distinguish three wiring L turnbuckles (1070). The L-turn distinguishing mark (1080) is embodied in a letter or symbol, and three wiring L-turns (1070) are distinguished into 1 wiring L-turn (1070) of the ground wire (hereinafter referred to as "wiring L-turn a") and 2 wiring L-turns (1070) of the phase line (hereinafter referred to as "wiring L-turn B") by the L-turn distinguishing mark (1080).

The inner core L turnbuckle groove (1110) is matched with the wiring L turnbuckle (1070), the inner core shaft boss (1120) is coaxial with the inner core (1000), and the inner core shaft boss (1120) is arranged at the center of the inner core (1000).

The inner core protecting shells (1100) are arranged on the outer side of the inner core (1000), when the joint connection is carried out, the inner core protecting shells (1100) on the two sides are attached and aligned to protect the wiring L turnbuckle (1070), the conductor (1040) and the like in the inner core protecting shells (1100), and good protection and insulation effects are achieved.

And (3) installation step: and stripping a cable (9000) protective layer with a certain length and a wire core insulating layer with a smaller length, wherein the cable wire core is respectively inserted into a wiring socket (1020) along a wire dividing groove (1010) of the inner core (1000) to be between an arc-shaped structure of a conducting upper piece (1041) and a conducting lower piece (1042) of the conducting device (1040), and the wire core is screwed into a wiring fastening screw (7000) from a wiring fastening screw hole (1050) to fix the wire core, so that the wire core is in good contact with the conducting device (1040). During installation, the ground wire core is connected into the wiring socket (1020) corresponding to the wiring L turnbuckle A, and the phase wires (namely the live wire and the zero wire) are respectively connected into the wiring socket (1020) corresponding to the wiring L turnbuckle B. If no ground wire exists, the live wire and the zero wire are respectively connected into the wiring sockets (1020) corresponding to the wiring L turnbuckle B, and the wiring sockets (1020) corresponding to the wiring L turnbuckle A are not connected.

Referring to fig. 8 and 9, when the connector is connected, the conductive pin (1043) of the side conductive device (1040) is inserted into the conductive socket (1044) of the opposite side conductive device (1040), and the conductive pin (1043) of the opposite side conductive device (1040) is inserted into the conductive socket (1044) of the side conductive device (1040), so that reliable connection is formed.

Referring to fig. 10, a housing installation position identifier (2109) of the explosion-proof housing (2100) is disposed at an interface end surface of the explosion-proof housing (2100), and an inner core installation position identifier (1090) is disposed at a top surface of the inner core casing (1100).

And (4) installation step: the inner core mounting position mark (1090) is aligned with the shell mounting position mark (2109), the inner core (1000) is placed into the explosion-proof shell (2100) along the limit clamping strip (1060) and the limit groove (2103) after alignment, the limit clamping strip (1060) is clamped with the limit groove (2103), the inner core fixing screw hole (1030) is aligned with the shell fixing screw hole (2102), and then the inner fixing screw (6000) is screwed in, so that the inner core (1000) and the explosion-proof shell (2100) are relatively fixed and do not move relatively. Then screw in fastening nut (5000), squeeze seal ripple flexible sleeve (4000) to make it take place elastic deformation, and its interior seal ripple structure (4001) and then closely wrap up the cable, realize the shutoff of cable (9000) and explosion-proof casing (2100) gap.

Referring to fig. 11 to 16, the explosion-proof housing cover (2200) has a cover-like structure, and the explosion-proof housing cover (2200) includes a housing connection buckle (2104), a housing connection groove (2105), and a housing seal ring groove (2106). When the utility model is not connected, explosion prevention, water prevention and joint protection in the non-connected state are realized by covering the explosion-proof shell cover (0000).

And (5) installation step: the explosion-proof shell cover (2200) provided with the shell connecting sealing ring (3000) is aligned and covered into the cable explosion-proof quick connector (0000) without distinguishing male and female.

The above installation steps 1-5 are repeated for another patch cable (9000) to be connected, i.e. the installation before connection of the cable (9000) is completed.

Connection operation: before connection, the explosion-proof shell cover (2200) is respectively taken down, the side joint (0000) and the installation of the opposite side joint (0000) are inserted into the alignment mark (2107) to be aligned and attached, and the side joint and the opposite side joint are mutually rotated until the installation rotation position mark (2108) are mutually aligned, so that the connection of the cable joint is completed.

After connection, the ground wires of the three-core cables are mutually communicated, and the live wire and the zero wire of the side cable (9000) are respectively connected with the zero wire and the live wire of the opposite side cable (9000), so that the alternating current is not differentiated into positive and negative, and the utility model is suitable for connection by using the alternating current cable.

Disconnection operation: the connectors (0000) on two sides of the connection state are reversely rotated to the positions of the installation insertion alignment marks (2107) by the installation screwing position marks (2108), namely the disconnection of the connectors is completed, and the explosion-proof shell covers (2200) are respectively covered after the disconnection.

[ example 2 ]

Referring to fig. 17, a fixing base (2110) or a fixing hole (2111) is provided on the outer side of the explosion-proof housing (2100), and the explosion-proof quick connector (0000) for cables without distinguishing between male and female according to the present utility model is fixed in cooperation with a cable pipe (8000) to serve as a fixed power supply access point for temporary cables, the explosion-proof housing cover (2200) is covered when temporary power connection is not performed, and a cable (9000) with the explosion-proof quick connector (0000) for cables without distinguishing between male and female according to the present utility model is used to connect the cables when power connection is performed. The anti-explosion safety device is arranged in dangerous places, can meet the anti-explosion safety requirement, and also has the characteristic of convenient and rapid operation.

[ example 3 ]

The number of the conducting device (1040), the wiring fastening screw holes (1050), the wiring L turnbuckles (1070) and the shell connecting buckles (2104) of the cable explosion-proof quick connector (0000) without distinguishing male and female is set to be 2 or 4, and the cable explosion-proof quick connector can be used for connecting double-wire core or four-wire core cables.

Claims (6)

1. An explosion-proof quick connector for cables without distinguishing male and female is characterized by comprising,

inner core (1000), inner core (1000) include branch wire groove (1010), wiring socket (1020), inner core fixed screw hole (1030), switch-on ware (1040), wiring fastening screw hole (1050), spacing card strip (1060), wiring L spiral-lock (1070), L spiral-lock distinguish sign (1080), inner core mounted position sign (1090), inner core protecting case (1100), inner core L spiral-lock groove (1110), inner core boss (1120), two inner core (1000) mutually match, branch wire groove (1010) set up in inner core (1000) one end, branch wire groove (1010) with wiring socket (1020) meet, wiring socket (1020) both ends respectively with branch wire groove (1010) with switch-on ware (1040) meet, inner core fixed screw hole (1030) set up in inner core (1000) outside, inner core fixed screw hole (1030) establish the internal thread, inner core (1000) except switch-on ware (1040) all are insulating material, switch-on ware (1040) are metal conductive material, switch-on ware (1040) are plug pin (1043), switch-on piece (1043) include down switch-on piece (1043), the utility model discloses a screw cap, including connecting rod (1000), wire L turnbuckle (1070), conducting device (1040), conducting jack (1044), connecting rod (1043) and connecting rod L turnbuckle (1070), conducting upper piece (1041) and conducting lower piece (1042) one end are opposite arc structure, conducting upper piece (1041) with opposite arc structure of conducting lower piece (1042) with connecting rod (1020) communicates with each other, conducting pin (1043) set up conducting device (1040) bottom position, conducting jack (1044) set up conducting device (1040) middle part position, conducting jack (1044) with conducting pin (1043) are mutually matched, conducting jack (1044) with conducting pin (1043) are coaxial line, equiradius's circular arc structure, conducting jack (1044) and conducting rod (1043) with connecting rod (1120) are in communication with connecting rod (1020), conducting rod (1043) set up screw boss (1043) are coaxial line (1041) is located in the wire cap (1050) is located in the radial direction of connecting rod (1100) the connecting rod (1050) is located in connecting rod (1100), the limiting clamping strip (1060) is arranged on the outer side of the inner core protecting shell (1100), the wiring L-shaped turnbuckle (1070) is of an arc structure, the wiring L-shaped turnbuckle (1070) is coaxial with the inner core shaft boss (1120), the L-shaped turnbuckle distinguishing mark (1080) is arranged at the top end of the wiring L-shaped turnbuckle (1070), the inner core protecting shell (1100) is arranged on the outer side of the inner core (1000), the inner core mounting position mark (1090) is arranged on the top surface of the inner core protecting shell (1100), the inner core L-shaped turnbuckle groove (1110) is matched with the wiring L-shaped turnbuckle (1070), the inner core shaft boss (1120) is coaxial with the inner core (1000), and the inner core shaft boss (1120) is arranged at the center of the inner core (1000).

An explosion-proof housing (2100), the explosion-proof housing (2100) comprises fastening threads (2101), housing fixing screw holes (2102), limiting grooves (2103), housing connecting buckles (2104), housing connecting grooves (2105), housing sealing ring grooves (2106), mounting insertion alignment marks (2107), mounting screwing in position marks (2108), housing mounting position marks (2109), fixing bases (2110) and fixing holes (2111), two explosion-proof housings (2100) are mutually matched, the explosion-proof housing (2100) is matched with an inner core (1000), housing fixing screws penetrate through the explosion-proof housing (2100), the housing fixing screw holes (2102) are provided with internal threads, the diameters of the housing fixing screw holes (2102) and the inner core fixing screw holes (1030) are the same, the limiting grooves (2103) are arranged on the inner side of the explosion-proof housing (2100), the limiting grooves (2103) are matched with the limiting clamp strips (1060), the housing connecting buckles (2104) and the housing connecting grooves (2105) are arranged on the outer side of the explosion-proof housing connecting housing (2100), the connecting buckles (2100) are coaxial with the connecting grooves (2105) and the connecting structures (2105), the shell connecting groove (2105) is matched with the shell connecting buckle (2104), the shell sealing ring groove (2106) is arranged on the inner side of the interface end of the explosion-proof shell (2100), the cross section of the shell connecting sealing groove is of a T-shaped structure, and the shell mounting position mark (2109) is arranged on the interface end face of the explosion-proof shell (2100);

an explosion-proof housing cover (2200), wherein the explosion-proof housing cover (2200) is matched with the cable explosion-proof quick connector (0000) without distinguishing male from female, the explosion-proof housing cover (2200) is of a cover-shaped structure, and the explosion-proof housing cover (2200) comprises the housing connecting buckle (2104), the housing connecting groove (2105) and the housing sealing ring groove (2106);

a housing connection seal ring (3000), wherein the housing connection seal ring (3000) is made of elastic and resilient material, and the housing connection seal ring (3000) is matched with the housing seal ring groove (2106);

the flexible sealing corrugated rubber sleeve (4000) is made of elastic and rebound resilience, and the inner side of the flexible sealing corrugated rubber sleeve (4000) is of a sealing corrugated (4001) structure;

the fastening nut (5000), two ends of the inner side of the fastening nut (5000) are respectively provided with a boss (5001) and an internal thread, and the fastening nut (5000) is matched with the fastening thread (2101);

an inner and outer fixing screw (6000), wherein the inner and outer fixing screw (6000) is matched with the inner core fixing screw hole (1030) and the shell fixing screw hole (2102);

a wire-fastening screw (7000), the wire-fastening screw (7000) being matched to the wire-fastening screw hole (1050);

the two cable explosion-proof quick connectors (0000) which are not distinguished from each other are matched with each other.

2. The explosion-proof quick connector for cables without distinguishing between male and female according to claim 1, wherein the explosion-proof housing (2100) comprises a cable tube (8000), a fixing base (2110) or a fixing hole (2111) for fixing the explosion-proof quick connector (0000) for cables without distinguishing between male and female.

3. The explosion-proof quick connector for cables without distinguishing between male and female as set forth in claim 1, wherein said core fixing screw hole (1030) and said housing fixing screw hole (2102) are matched, and the number of said core fixing screw hole (1030) and said housing fixing screw hole (2102) is one or more.

4. The explosion-proof quick connector for cables without distinguishing between male and female according to claim 1, wherein the number of the limit slots (2103) and the number of the limit clamping strips (1060) are the same, and the number of the limit clamping strips (1060) and the number of the limit slots (2103) are one or more.

5. The explosion-proof quick connector for cables without distinguishing male and female according to claim 1, wherein the number of the conductive device (1040), the wire fastening screw hole (1050), the wire L-turn buckle (1070) and the housing connecting buckle (2104) is the same, and the number of the conductive device (1040), the wire fastening screw hole (1050), the wire L-turn buckle (1070) and the housing connecting buckle (2104) is two or more.

6. The explosion-proof quick connector for cables without distinguishing between male and female according to claim 1, wherein two explosion-proof quick connectors (0000) for cables without distinguishing between male and female are aligned with the installation insertion alignment mark (2107) and rotated to the position where the installation rotation position mark (2108) is aligned with the cable, and the two explosion-proof quick connectors (0000) for cables without distinguishing between male and female are connected to form a shuttle.